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I used Python a few years ago when 2 was the only version.
Now there is 2 and 3.
Was there a a reason 2 hasn't continued to upgrade and now there is a split into two different pythons? Like no one uses Python 2.5. They all use 2.7 or whatever it is. Why not just use 3? Obviously there's a reason, but I was unable to find it googling.
My second question is, which one should I use? I am assuming 3, but that's ONLY based on the higher number. I wonder why 2 is still around if 3 is out??? If there aren't any major bugs with 3, I am just going to use that as I don't reckon it much matters: either one would probably work for py QT.
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The main aim of bringing Python 2 into existence is to make programming simple and easy to learn for the common people who are willing to learn a programming language.
Python 3 has an easier syntax compared to Python 2. A lot of libraries of Python 2 are not forward compatible. A lot of libraries are created in Python 3 to be strictly used with Python 3. Python 2 is no longer in use since 2020.
Python 3 is more in-demand and includes a typing system. Python 2 is outdated and uses an older syntax for the print function. While Python 2 is still in use for configuration management in DevOps, Python 3 is the current standard. Python (the code, not the snake) is a popular coding language to learn for beginners.
Python 3 syntax is simpler and easily understandable whereas Python 2 syntax is comparatively difficult to understand. Python 3 default storing of strings is Unicode whereas Python 2 stores need to define Unicode string value with “u.”
Why not just use 3?
A lot of existing Python code is not compatible with Python 3 yet. If you need to use Django for example you are forced to use Python 2.x.
My second question is, which one should I use?
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